# TenneT BouwApp vs Avoided CO2e

The clearest difference is iOS requirement: Avoided CO2e at 12.0 against TenneT BouwApp's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TenneT BouwApp ships an update every 8 months, Avoided CO2e every 4 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TenneT BouwApp | Avoided CO2e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Size | 66 MB | 28 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TenneT TSO GmbH](https://appshunter.io/developer/884987878) | [UNEP](https://appshunter.io/developer/1106793919) |

## What reviewers say

### TenneT BouwApp

[App page](https://appshunter.io/ios/app/tennet-bouwapp/id1494679533)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Avoided CO2e

[App page](https://appshunter.io/ios/app/avoided-co2e/id6473017652)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TenneT BouwApp free?

TenneT BouwApp is free to download, with no in-app purchases.

### Is Avoided CO2e free?

Avoided CO2e is free to download, with no in-app purchases.

### Do TenneT BouwApp or Avoided CO2e have ads?

Neither TenneT BouwApp nor Avoided CO2e shows ads.

### Which is updated more often, TenneT BouwApp or Avoided CO2e?

TenneT BouwApp ships an update every 8 months, and Avoided CO2e every 4 months. Most recently, TenneT BouwApp was updated on October 11, 2026 and Avoided CO2e on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*